Magnetic Ordering in Gd Monopnictides: Indirect Exchange Versus Superexchange Interaction
نویسندگان
چکیده
منابع مشابه
EFFECT OF COMPOSITION ON THE MAGNETIC BEHAVIOUR OF Gd2X COMPOUND
The eigenvalues of the isotropic magnetic interaction system extraction from Internal Field Approximation (IFA) q e computed. on the basis of RKKY for the complicated magnetic behaviour of Gd, X system X= (Au , Pt , Al , In ) as well as Gd. From the strength and slope of eigenvalue curves in different ranges of interaction the strength and sharpness of the magnetic transition can be suggest...
متن کاملروتنوکوپراتها: میدان رقابت ابررسانایی و مغناطیس
We have compared the structural, electrical, and magnetic properties of Ru(Gd1.5-xPrx)Ce0.5Sr2Cu2O10-δ (Pr/Gd samples) with x = 0.0, 0.01, 0.03, 0.033, 0.035, 0.04, 0.05, 0.06, 0.1 and RuGd1.5(Ce0.5-xPrx)Sr2Cu2O10-δ (Pr/Ce samples) with x = 0.0, 0.01, 0.03, 0.05, 0.08, 0.1, 0.15, 0.2 prepared by the standard solid-state reaction technique with RuGd1.5(GdxCe0.5-x) Sr2Cu2O10-δ (Gd/Ce samples) wi...
متن کاملخواص الکتریکی و مغناطیسی ترکیب فرومغناطیس- ابررسانای Ru(Gd1.5-xPrx)Ce0.5Sr2Cu2O10-δ
Coexistence of superconductivity and magnetic ordering or their mutually exclusive existence in solids is one of the fundamental problems of solid state physics. To determine the effect of Pr substitution for Gd on electrical and magnetic properties of RuGd1.5Ce0.5Sr2Cu2O10-δ (Ru-1222), Ru(Gd1.5-xPrx)Ce0.5Sr2Cu2O10-δ with x=0.0, 0.01, 0.03, 0.03 3 , 0.04, 0.05, 0.06, 0.1 have been prepared by...
متن کاملEffect of Gd doping and O deficiency on the Curie temperature of EuO
The effect of Gd doping and O deficiency on the electronic structure, exchange interaction, and Curie temperature of EuO in the cubic and tetragonal phases is studied by means of density functional theory. For both defects, the Curie temperature is found to exhibit a distinct maximum as a function of the defect concentration. The existence of optimal defect concentrations is explained by the in...
متن کاملMagnetic order in GdMnO3 in high magnetic fields
Resonant magnetic x-ray scattering at the Gd L2 edge is used to investigate the magnetic order of the Gd moments in multiferroic GdMnO3 at low temperatures. We present high magnetic field data on the magnetic ordering of Gd in the ferroelectric phase of GdMnO3. Our findings reaffirm the important role of the Gd moments in the symmetric magnetic exchange striction responsible for ferroelectricit...
متن کامل